54380739 has 48 divisors (see below), whose sum is σ = 91404288. Its totient is φ = 28562688.

The previous prime is 54380731. The next prime is 54380759. The reversal of 54380739 is 93708345.

It is not a de Polignac number, because 54380739 - 2³ = 54380731 is a prime.

It is a super-2 number, since 2×54380739² = 5914529548372242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54380697 and 54380706.

It is not an unprimeable number, because it can be changed into a prime (54380731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117222 + ... + 117684.

It is an arithmetic number, because the mean of its divisors is an integer number (1904256).

Almost surely, 2^54380739 is an apocalyptic number.

54380739 is a deficient number, since it is larger than the sum of its proper divisors (37023549).

54380739 is a wasteful number, since it uses less digits than its factorization.

54380739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 54380739 is about 7374.3297322536. The cubic root of 54380739 is about 378.8625706409.

The spelling of 54380739 in words is "fifty-four million, three hundred eighty thousand, seven hundred thirty-nine".