55773954 has 16 divisors (see below), whose sum is σ = 123942240. Its totient is φ = 18591300.

The previous prime is 55773901. The next prime is 55773959. The reversal of 55773954 is 45937755.

55773954 is a `hidden beast` number, since 557 + 7 + 3 + 95 + 4 = 666.

It is a super-2 number, since 2×55773954² = 6221467889588232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55773959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516372 + ... + 516479.

It is an arithmetic number, because the mean of its divisors is an integer number (7746390).

Almost surely, 2^55773954 is an apocalyptic number.

55773954 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55773954 is an abundant number, since it is smaller than the sum of its proper divisors (68168286).

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

55773954 is a wasteful number, since it uses less digits than its factorization.

55773954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032862 (or 1032856 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 55773954 is about 7468.1961677503. The cubic root of 55773954 is about 382.0707680262.

The spelling of 55773954 in words is "fifty-five million, seven hundred seventy-three thousand, nine hundred fifty-four".