55337700 has 144 divisors (see below), whose sum is σ = 179363520. Its totient is φ = 13056000.

The previous prime is 55337699. The next prime is 55337717. The reversal of 55337700 is 773355.

It is a super-2 number, since 2×55337700² = 6124522082580000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135096 + ... + 135504.

It is an arithmetic number, because the mean of its divisors is an integer number (1245580).

Almost surely, 2^55337700 is an apocalyptic number.

55337700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55337700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89681760).

55337700 is an abundant number, since it is smaller than the sum of its proper divisors (124025820).

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

55337700 is a wasteful number, since it uses less digits than its factorization.

55337700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 30.

The square root of 55337700 is about 7438.9313748683. The cubic root of 55337700 is about 381.0719960939.

The spelling of 55337700 in words is "fifty-five million, three hundred thirty-seven thousand, seven hundred".