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55148456 = 2311626687
BaseRepresentation
bin1101001001011…
…1111110101000
310211202211110102
43102113332220
5103104222311
65250004532
71236516446
oct322277650
9124684412
1055148456
1129147940
1216576748
13b56b92c
147477b96
154c9543b
hex3497fa8

55148456 has 16 divisors (see below), whose sum is σ = 112803840. Its totient is φ = 25067440.

The previous prime is 55148447. The next prime is 55148479. The reversal of 55148456 is 65484155.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313256 + ... + 313431.

It is an arithmetic number, because the mean of its divisors is an integer number (7050240).

Almost surely, 255148456 is an apocalyptic number.

It is an amenable number.

55148456 is an abundant number, since it is smaller than the sum of its proper divisors (57655384).

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

55148456 is a wasteful number, since it uses less digits than its factorization.

55148456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626704 (or 626700 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 55148456 is about 7426.2006436670. The cubic root of 55148456 is about 380.6371029897.

The spelling of 55148456 in words is "fifty-five million, one hundred forty-eight thousand, four hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 626687 1253374 2506748 5013496 6893557 13787114 27574228 55148456