54862140 has 24 divisors (see below), whose sum is σ = 153614160. Its totient is φ = 14629888.

The previous prime is 54862121. The next prime is 54862147. The reversal of 54862140 is 4126845.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54862098 and 54862107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54862147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457125 + ... + 457244.

It is an arithmetic number, because the mean of its divisors is an integer number (6400590).

Almost surely, 2^54862140 is an apocalyptic number.

It is an amenable number.

54862140 is an abundant number, since it is smaller than the sum of its proper divisors (98752020).

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

54862140 is a wasteful number, since it uses less digits than its factorization.

54862140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914381 (or 914379 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 54862140 is about 7406.8981361971. The cubic root of 54862140 is about 379.9772377871.

Adding to 54862140 its reverse (4126845), we get a palindrome (58988985).

It can be divided in two parts, 5486 and 2140, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 54862140 in words is "fifty-four million, eight hundred sixty-two thousand, one hundred forty".