55261464 has 16 divisors (see below), whose sum is σ = 138153720. Its totient is φ = 18420480.

The previous prime is 55261463. The next prime is 55261471. The reversal of 55261464 is 46416255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151257 + ... + 1151304.

Almost surely, 2^55261464 is an apocalyptic number.

It is an amenable number.

55261464 is an abundant number, since it is smaller than the sum of its proper divisors (82892256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55261464 is a wasteful number, since it uses less digits than its factorization.

55261464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302570 (or 2302566 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 55261464 is about 7433.8054857522. The cubic root of 55261464 is about 380.8969210197.

It can be divided in two parts, 5526146 and 4, that added together give a triangular number (5526150 = T₃₃₂₄).

The spelling of 55261464 in words is "fifty-five million, two hundred sixty-one thousand, four hundred sixty-four".