1553400087554 has 8 divisors (see below), whose sum is σ = 2662971578688. Its totient is φ = 665742894660.

The previous prime is 1553400087541. The next prime is 1553400087599. The reversal of 1553400087554 is 4557800043551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1553400087499 and 1553400087508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55478574542 + ... + 55478574569.

It is an arithmetic number, because the mean of its divisors is an integer number (332871447336).

Almost surely, 2^{1553400087554} is an apocalyptic number.

1553400087554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1553400087554 is a deficient number, since it is larger than the sum of its proper divisors (1109571491134).

1553400087554 is a wasteful number, since it uses less digits than its factorization.

1553400087554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110957149120.

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 1553400087554 in words is "one trillion, five hundred fifty-three billion, four hundred million, eighty-seven thousand, five hundred fifty-four".