54378040 has 32 divisors (see below), whose sum is σ = 123256080. Its totient is φ = 21590272.

The previous prime is 54378017. The next prime is 54378041. The reversal of 54378040 is 4087345.

It is a junction number, because it is equal to n+sod(n) for n = 54377993 and 54378011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54378041) 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, 519 + ... + 10441.

Almost surely, 2^54378040 is an apocalyptic number.

It is an amenable number.

54378040 is an abundant number, since it is smaller than the sum of its proper divisors (68878040).

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

54378040 is a wasteful number, since it uses less digits than its factorization.

54378040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071 (or 10067 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 54378040 is about 7374.1467303004. The cubic root of 54378040 is about 378.8563026925.

The spelling of 54378040 in words is "fifty-four million, three hundred seventy-eight thousand, forty".