55790700 has 144 divisors (see below), whose sum is σ = 190654464. Its totient is φ = 12326400.

The previous prime is 55790677. The next prime is 55790723. The reversal of 55790700 is 709755.

55790700 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55790677) and next prime (55790723).

It is a super-2 number, since 2×55790700² = 6225204412980000, which contains 22 as substring.

55790700 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64672 + ... + 65528.

Almost surely, 2^55790700 is an apocalyptic number.

55790700 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 55790700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95327232).

55790700 is an abundant number, since it is smaller than the sum of its proper divisors (134863764).

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

55790700 is a wasteful number, since it uses less digits than its factorization.

55790700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 33.

The square root of 55790700 is about 7469.3172378739. The cubic root of 55790700 is about 382.1090028197.

The spelling of 55790700 in words is "fifty-five million, seven hundred ninety thousand, seven hundred".