55406354 has 4 divisors (see below), whose sum is σ = 83109534. Its totient is φ = 27703176.

The previous prime is 55406347. The next prime is 55406423. The reversal of 55406354 is 45360455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41306329 + 14100025 = 6427^2 + 3755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55406354.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13851587 + ... + 13851590.

Almost surely, 2^55406354 is an apocalyptic number.

55406354 is a deficient number, since it is larger than the sum of its proper divisors (27703180).

55406354 is a wasteful number, since it uses less digits than its factorization.

55406354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27703179.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55406354 is about 7443.5444514022. The cubic root of 55406354 is about 381.2295216448.

The spelling of 55406354 in words is "fifty-five million, four hundred six thousand, three hundred fifty-four".