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55030760 = 2351375769
BaseRepresentation
bin1101000111101…
…1001111101000
310211112212000022
43101323033220
5103041441020
65243300012
71235516351
oct321731750
9124485008
1055030760
1129077474
121651a608
13b52a1a5
147446d28
154c70625
hex347b3e8

55030760 has 16 divisors (see below), whose sum is σ = 123819300. Its totient is φ = 22012288.

The previous prime is 55030757. The next prime is 55030763. The reversal of 55030760 is 6703055.

It is an interprime number because it is at equal distance from previous prime (55030757) and next prime (55030763).

It can be written as a sum of positive squares in 2 ways, for example, as 52215076 + 2815684 = 7226^2 + 1678^2 .

It is not an unprimeable number, because it can be changed into a prime (55030763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687845 + ... + 687924.

Almost surely, 255030760 is an apocalyptic number.

It is an amenable number.

55030760 is an abundant number, since it is smaller than the sum of its proper divisors (68788540).

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

55030760 is a wasteful number, since it uses less digits than its factorization.

55030760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375780 (or 1375776 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55030760 is about 7418.2720359933. The cubic root of 55030760 is about 380.3661291166.

The spelling of 55030760 in words is "fifty-five million, thirty thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1375769 2751538 5503076 6878845 11006152 13757690 27515380 55030760