55419600 has 60 divisors (see below), whose sum is σ = 177531296. Its totient is φ = 14778240.

The previous prime is 55419593. The next prime is 55419601. The reversal of 55419600 is 691455.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55419601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21892 + ... + 24291.

Almost surely, 2^55419600 is an apocalyptic number.

55419600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55419600 is an abundant number, since it is smaller than the sum of its proper divisors (122111696).

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

55419600 is a wasteful number, since it uses less digits than its factorization.

55419600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46204 (or 46193 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 55419600 is about 7444.4341625136. The cubic root of 55419600 is about 381.2598994115.

The spelling of 55419600 in words is "fifty-five million, four hundred nineteen thousand, six hundred".