55261268 has 6 divisors (see below), whose sum is σ = 96707226. Its totient is φ = 27630632.

The previous prime is 55261259. The next prime is 55261307. The reversal of 55261268 is 86216255.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 14531344 = 6382^2 + 3812^2 .

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, 6907655 + ... + 6907662.

It is an arithmetic number, because the mean of its divisors is an integer number (16117871).

Almost surely, 2^55261268 is an apocalyptic number.

It is an amenable number.

55261268 is a deficient number, since it is larger than the sum of its proper divisors (41445958).

55261268 is a wasteful number, since it uses less digits than its factorization.

55261268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13815321 (or 13815319 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 55261268 is about 7433.7923027214. The cubic root of 55261268 is about 380.8964707005.

The spelling of 55261268 in words is "fifty-five million, two hundred sixty-one thousand, two hundred sixty-eight".