55099576 has 32 divisors (see below), whose sum is σ = 118383840. Its totient is φ = 23551488.

The previous prime is 55099573. The next prime is 55099579. The reversal of 55099576 is 67599055.

It is an interprime number because it is at equal distance from previous prime (55099573) and next prime (55099579).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55099571) 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, 24516 + ... + 26668.

It is an arithmetic number, because the mean of its divisors is an integer number (3699495).

Almost surely, 2^55099576 is an apocalyptic number.

55099576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55099576 is an abundant number, since it is smaller than the sum of its proper divisors (63284264).

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

55099576 is a wasteful number, since it uses less digits than its factorization.

55099576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 55099576 is about 7422.9088637811. The cubic root of 55099576 is about 380.5246124350.

The spelling of 55099576 in words is "fifty-five million, ninety-nine thousand, five hundred seventy-six".