55470494 has 4 divisors (see below), whose sum is σ = 83205744. Its totient is φ = 27735246.

The previous prime is 55470487. The next prime is 55470521. The reversal of 55470494 is 49407455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49407455 = 5 ⋅9881491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13867622 + ... + 13867625.

It is an arithmetic number, because the mean of its divisors is an integer number (20801436).

Almost surely, 2^55470494 is an apocalyptic number.

55470494 is a deficient number, since it is larger than the sum of its proper divisors (27735250).

55470494 is a wasteful number, since it uses less digits than its factorization.

55470494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27735249.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 55470494 is about 7447.8516365459. The cubic root of 55470494 is about 381.3765723610.

The spelling of 55470494 in words is "fifty-five million, four hundred seventy thousand, four hundred ninety-four".