55756350 has 144 divisors (see below), whose sum is σ = 167770512. Its totient is φ = 13685760.

The previous prime is 55756339. The next prime is 55756403. The reversal of 55756350 is 5365755.

55756350 is a `hidden beast` number, since 557 + 56 + 3 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 157774 + ... + 158126.

It is an arithmetic number, because the mean of its divisors is an integer number (1165073).

Almost surely, 2^55756350 is an apocalyptic number.

55756350 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 55756350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83885256).

55756350 is an abundant number, since it is smaller than the sum of its proper divisors (112014162).

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

55756350 is a wasteful number, since it uses less digits than its factorization.

55756350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55756350 is about 7467.0174768779. The cubic root of 55756350 is about 382.0305659779.

The spelling of 55756350 in words is "fifty-five million, seven hundred fifty-six thousand, three hundred fifty".