55037850 has 192 divisors, whose sum is σ = 169703424. Its totient is φ = 11531520.

The previous prime is 55037849. The next prime is 55037861. The reversal of 55037850 is 5873055.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1038424 + ... + 1038476.

It is an arithmetic number, because the mean of its divisors is an integer number (883872).

Almost surely, 2^55037850 is an apocalyptic number.

55037850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55037850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84851712).

55037850 is an abundant number, since it is smaller than the sum of its proper divisors (114665574).

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

55037850 is a wasteful number, since it uses less digits than its factorization.

55037850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55037850 is about 7418.7498946925. The cubic root of 55037850 is about 380.3824634967.

The spelling of 55037850 in words is "fifty-five million, thirty-seven thousand, eight hundred fifty".