54961644 has 24 divisors (see below), whose sum is σ = 129035200. Its totient is φ = 18207504.

The previous prime is 54961639. The next prime is 54961679. The reversal of 54961644 is 44616945.

It is a super-2 number, since 2×54961644² = 6041564622365472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12094 + ... + 16005.

Almost surely, 2^54961644 is an apocalyptic number.

It is an amenable number.

54961644 is an abundant number, since it is smaller than the sum of its proper divisors (74073556).

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

54961644 is a wasteful number, since it uses less digits than its factorization.

54961644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28269 (or 28267 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 54961644 is about 7413.6120750954. The cubic root of 54961644 is about 380.2068218544.

It can be divided in two parts, 5496 and 1644, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 54961644 in words is "fifty-four million, nine hundred sixty-one thousand, six hundred forty-four".