55235146 has 4 divisors (see below), whose sum is σ = 82852722. Its totient is φ = 27617572.

The previous prime is 55235123. The next prime is 55235161. The reversal of 55235146 is 64153255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64153255 = 5 ⋅12830651.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 6305121 = 6995^2 + 2511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13808785 + ... + 13808788.

Almost surely, 2^55235146 is an apocalyptic number.

55235146 is a deficient number, since it is larger than the sum of its proper divisors (27617576).

55235146 is a wasteful number, since it uses less digits than its factorization.

55235146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27617575.

The product of its digits is 18000, while the sum is 31.

The square root of 55235146 is about 7432.0351183239. The cubic root of 55235146 is about 380.8364446574.

The spelling of 55235146 in words is "fifty-five million, two hundred thirty-five thousand, one hundred forty-six".