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55148496 = 2431388379
BaseRepresentation
bin1101001001011…
…1111111010000
310211202211111220
43102113333100
5103104222441
65250005040
71236516534
oct322277720
9124684456
1055148496
1129147977
1216576780
13b56b960
147477bc4
154c95466
hex3497fd0

55148496 has 40 divisors (see below), whose sum is σ = 153427680. Its totient is φ = 16968576.

The previous prime is 55148491. The next prime is 55148501. The reversal of 55148496 is 69484155.

It is an interprime number because it is at equal distance from previous prime (55148491) and next prime (55148501).

It is a super-2 number, since 2×551484962 = 6082713222124032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55148491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43566 + ... + 44813.

It is an arithmetic number, because the mean of its divisors is an integer number (3835692).

Almost surely, 255148496 is an apocalyptic number.

It is an amenable number.

55148496 is an abundant number, since it is smaller than the sum of its proper divisors (98279184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55148496 is a wasteful number, since it uses less digits than its factorization.

55148496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88403 (or 88397 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 55148496 is about 7426.2033368337. The cubic root of 55148496 is about 380.6371950170.

The spelling of 55148496 in words is "fifty-five million, one hundred forty-eight thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 88379 176758 265137 353516 530274 707032 1060548 1148927 1414064 2121096 2297854 3446781 4242192 4595708 6893562 9191416 13787124 18382832 27574248 55148496