55410550 has 24 divisors (see below), whose sum is σ = 110992896. Its totient is φ = 20459040.

The previous prime is 55410533. The next prime is 55410583. The reversal of 55410550 is 5501455.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41974 + ... + 43273.

It is an arithmetic number, because the mean of its divisors is an integer number (4624704).

Almost surely, 2^55410550 is an apocalyptic number.

55410550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55410550 is an abundant number, since it is smaller than the sum of its proper divisors (55582346).

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

55410550 is a wasteful number, since it uses less digits than its factorization.

55410550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85272 (or 85267 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55410550 is about 7443.8263010363. The cubic root of 55410550 is about 381.2391450820.

The spelling of 55410550 in words is "fifty-five million, four hundred ten thousand, five hundred fifty".