55415546 has 8 divisors (see below), whose sum is σ = 88012980. Its totient is φ = 26077888.

The previous prime is 55415537. The next prime is 55415557. The reversal of 55415546 is 64551455.

It can be written as a sum of positive squares in 2 ways, for example, as 53949025 + 1466521 = 7345^2 + 1211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814901 + ... + 814968.

Almost surely, 2^55415546 is an apocalyptic number.

55415546 is a deficient number, since it is larger than the sum of its proper divisors (32597434).

55415546 is a wasteful number, since it uses less digits than its factorization.

55415546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629888.

The product of its digits is 60000, while the sum is 35.

The square root of 55415546 is about 7444.1618735758. The cubic root of 55415546 is about 381.2506026686.

The spelling of 55415546 in words is "fifty-five million, four hundred fifteen thousand, five hundred forty-six".