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55990653 = 324117741
BaseRepresentation
bin1101010110010…
…1100101111101
310220100121201220
43111211211331
5103313200103
65320023553
71246625025
oct325454575
9126317656
1055990653
1129672674
1216901bb9
13b7a5084
147616a85
154daec53
hex356597d

55990653 has 8 divisors (see below), whose sum is σ = 74694816. Its totient is φ = 37306800.

The previous prime is 55990637. The next prime is 55990679. The reversal of 55990653 is 35609955.

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

It is not a de Polignac number, because 55990653 - 24 = 55990637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55990603) 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, 3363 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (9336852).

Almost surely, 255990653 is an apocalyptic number.

It is an amenable number.

55990653 is a deficient number, since it is larger than the sum of its proper divisors (18704163).

55990653 is a wasteful number, since it uses less digits than its factorization.

55990653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155.

The product of its (nonzero) digits is 182250, while the sum is 42.

The square root of 55990653 is about 7482.6902247788. The cubic root of 55990653 is about 382.5649494561.

The spelling of 55990653 in words is "fifty-five million, nine hundred ninety thousand, six hundred fifty-three".

Divisors: 1 3 2411 7233 7741 23223 18663551 55990653