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55763407 = 737921019
BaseRepresentation
bin1101010010111…
…0000111001111
310212221002000101
43110232013033
5103233412112
65311111531
71244660350
oct324560717
9125832011
1055763407
1129527967
12168125a7
13b7257cb
147597d27
154d67757
hex352e1cf

55763407 has 8 divisors (see below), whose sum is σ = 63900800. Its totient is φ = 47668824.

The previous prime is 55763387. The next prime is 55763489. The reversal of 55763407 is 70436755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-55763407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55763507) 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, 7857 + ... + 13162.

It is an arithmetic number, because the mean of its divisors is an integer number (7987600).

Almost surely, 255763407 is an apocalyptic number.

55763407 is a deficient number, since it is larger than the sum of its proper divisors (8137393).

55763407 is a wasteful number, since it uses less digits than its factorization.

55763407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21405.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 55763407 is about 7467.4900066890. The cubic root of 55763407 is about 382.0466829821.

The spelling of 55763407 in words is "fifty-five million, seven hundred sixty-three thousand, four hundred seven".

Divisors: 1 7 379 2653 21019 147133 7966201 55763407