55491414 has 32 divisors (see below), whose sum is σ = 123894144. Its totient is φ = 16423680.

The previous prime is 55491407. The next prime is 55491427. The reversal of 55491414 is 41419455.

55491414 = T₁₅₈₅ + T₁₅₈₆ + ... + T₁₆₂₇.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6939 + ... + 12614.

It is an arithmetic number, because the mean of its divisors is an integer number (3871692).

Almost surely, 2^55491414 is an apocalyptic number.

55491414 is an abundant number, since it is smaller than the sum of its proper divisors (68402730).

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

55491414 is a wasteful number, since it uses less digits than its factorization.

55491414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19612.

The product of its digits is 14400, while the sum is 33.

The square root of 55491414 is about 7449.2559359979. The cubic root of 55491414 is about 381.4245101296.

The spelling of 55491414 in words is "fifty-five million, four hundred ninety-one thousand, four hundred fourteen".